Sailor Saturn Appears Before Hotaru

Hotaru is asleep in bed when she is awakened by Nehelenia's shadow at her bedroom window. Suddenly a bright light shines within her room and Sailor Saturn appears before her. Sailor Saturn introduces herself to Hotaru as her guardian and tells her the time has come for her to awaken.
Sailor Moon Stars Episode #168
Saturn awakens! The 10 senshi gather
Saturn no Mezame! Sailor 10 Senshi Shuuketsu